package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {



    /**
     * 动态查询购物车中是否存在某个菜或者套餐
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);



    /**
     * 购物车菜品数量更新
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);



    /**
     * 购物车插入
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) values "+
    "(#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);



    /**
     * 清空购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userid}")
    void cleanShoppingCartById(Long userid);



    /**
     * 根据id删除购物车数据
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);


    
    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);


}
